In article ,
wrote:
The whole 'cleaning up emissions' business has everything to do with
the climate change lobby.

You may be right

No he's not. If you accept the climate change thing, it's said to be
caused by CO2 emissions (greenhouse gas). And many of the emission control
systems on cars increase their CO2 production, not reduce it.

Emission control on cars is about reducing the pollutants which are
directly harmful to humans.

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*Verbs HAS to agree with their subjects *

Dave Plowman London SW
To e-mail, change noise into sound.